Bird cage



FIG. 1 is a perspective view of a novelty bird cage showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being similar to the front view shown in FIG. 2 with the bird facing the opposite direction;

FIG. 3 is a side elevational view thereof, the opposite sides being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom view. 

The ornamental design for a novelty bird cage, as shown and described. 